局(ju)(ju)部通(tong)(tong)風是指掘(jue)進(jin)工(gong)作(zuo)面的(de)通(tong)(tong)風。在開采地(di)下井巷時，為了供給新鮮(xian)空氣、稀釋并排(pai)出(chu)掘(jue)進(jin)工(gong)作(zuo)面的(de)煙、塵和(he)有(you)害氣體、創造良(liang)好的(de)作(zuo)業環境，可采用總風扭通(tong)(tong)風、擴散通(tong)(tong)風、引射器(qi)和(he)局(ju)(ju)扇通(tong)(tong)風等局(ju)(ju)部通(tong)(tong)風方法。
